Possible buy on a 87 iroc 5.7 tpi, need help
09-09-2011, 08:34 PM
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Car: 91 camaro rs
Engine: 305 (350 vortec in dec.)
Transmission: Wc-T5
Axle/Gears: 3.08 (3.42 in dec.)
Possible buy on a 87 iroc 5.7 tpi, need help
I'm possibly bout to buy an 87 iroc, it has a 5.7 tpi, auto.. It has the four wheel disc brakes, 3.27* rear axle.... 225 hp 330lbsft, what's the difference between that and the 92 245hp rating? Would changing to a carb set up benefit? Any set ups been done to gain some numbers? Any info would be cool, thanks!
09-09-2011, 08:38 PM
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Re: Possible buy on a 87 iroc 5.7 tpi, need help
the 92 has a slightly higher CR, flat top instead of dished pistons. Cam is most likely different. No N10 dual cats. the 87 has a 9 bolt, the 92 won't have that. It will have a 31 spline 10 bolt. 87 also has v belts and flat belt for alternator, no serpentine like later years.
09-09-2011, 08:42 PM
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Car: 91 camaro rs
Engine: 305 (350 vortec in dec.)
Transmission: Wc-T5
Axle/Gears: 3.08 (3.42 in dec.)
Re: Possible buy on a 87 iroc 5.7 tpi, need help
That makes a lot of sense. It's only 20 hp, nothing crazy... My plans were to build it anyways... Just wondering. Mainly wondering, bc I didn't know if keeping tpi was worth it or swapping to a nasty carb conversion.... Which would be cheaper, and gain the most.
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